Surface configuration of a seat



FIG. 1 is a front view of a surface configuration of a seat according to our novel design;

FIG. 2 is a side view of the surface configuration of a seat according to our novel design; and,

FIG. 3 is a front view of the surface configuration of a seat according to our novel design, showing the seat in a partially lowered position and attached to two other seats to depict one possible environment of the design.

The dash lines included depict environment and are not part of the claimed design. 

The ornamental design for a surface configuration of a seat, as shown and described. 